For other people named Abby Rockefeller, see Abby Rockefeller (disambiguation).

Abigail Greene "Abby" Aldrich Rockefeller (October 26, 1874 – April 5, 1948) was an American socialite and philanthropist. Through her marriage to financier and philanthropist John D. Rockefeller Jr., she was a prominent member of the Rockefeller family. Referred to as the "woman in the family", she was known for being the driving force behind the establishment of the Museum of Modern Art, on 53rd Street in New York, in November 1929.